This bug exists in IE6 and IE7 and is caused by a JavaScript that tries to modify a tag that hasn't been closed (yet).
For example this one:
```javascript
```
This example fixes the problem, because the script is defined after the tag that it tries to modify:
```javascript
```
See [BUG: Error message when you visit a Web page or interact with a Web application in Internet Explorer: 'Operation aborted'](http://support.microsoft.com/default.aspx/kb/927917) for a detailed explanation of the problem.